The fuel in unit 4's cooling pond is thought to have been removed from the reactor sometime in November. Over the past four months, it will have cooled down substantially, making exposure less likely.

4号反应堆冷却池中的燃料据称已经去年11月时全部移出，在过去的四个月中燃料棒应该已经显著冷却，因此不太可能引起爆炸。